{% extends "base.html" %}

{% block content %}
<div class="row justify-content-center">
    <div class="col-md-8">
        <div class="card">
            <div class="card-header bg-danger text-white">
                <h4 class="mb-0">页面未找到</h4>
            </div>
            <div class="card-body text-center">
                <h1 class="display-1">404</h1>
                <p class="lead">抱歉，您请求的页面不存在。</p>
                <p>可能是链接错误或者该页面已被移除。</p>
                <a href="{{ url_for('main.index') }}" class="btn btn-primary mt-3">返回首页</a>
            </div>
        </div>
    </div>
</div>
{% endblock %}